BaTiO3陶瓷材料作为一种重要的介电材料被广泛应用于诸多领域,其尺寸效应也被广泛的研究.试验发现不同频率下BaTiO3陶瓷材料的电阻率的随晶粒尺寸变化而变化,由此提出一个BaTiO3陶瓷等效电路模型,从理论上验证不同频率下影响电阻率的主导贡献因素.同时试验中发现直流与瞬态测试下的电阻率的尺寸效应变化相差较大,理论分析是由漏电流中极化电流与电导电流造成的.结果表明,瞬态测量与直流测量的差异确实由漏电流的尺寸效应引起的.
参考文献
| [1] | 谭永强 .钛酸钡陶瓷的压电晶粒尺寸效应及压电物性改性[D].山东大学,2014. |
| [2] | 谢兆军;朱泽华;叶中郎.低温烧结BaTiO3基介电陶瓷的研究进展[J].陶瓷学报,2011(1):130-134. |
| [3] | Xia, Junbo;Zhao, Qing;Gao, Bo;Chang, Aimin;Zhang, Bo;Zhao, Pengjun;Ma, Renjun.Sintering temperature and impedance analysis of Mn0.9Co1.2Ni0.27Mg0.15Al0.03Fe0.45O4 NTC ceramic prepared by W/O microemulsion method[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2014:228-234. |
| [4] | Zhibin Tian;Xiaohui Wang;Yichi Zhang.Formation of Core-Shell Structure in Ultrafine-Grained BaTiO_3-Based Ceramics Through Nanodopant Method[J].Journal of the American Ceramic Society,20101(1):171-175. |
| [5] | Yue, Y. M.;Xu, K. Y.;Chen, T.;Aifantis, E. C..Size effects on magnetoelectnc response of multiferroic composite with inhomogeneities[J].Physica, B. Condensed Matter,2015:36-42. |
| [6] | Mupeng Zheng;Yudong Hou;Mankang Zhu.Shift of morphotropic phase boundary in high-performance fine-grained PZN-PZT ceramics[J].Journal of the European Ceramic Society,201410(10):2275-2283. |
| [7] | 张海涛;康爱国;杨北革;薛辉;郭小龙.基于第一性原理的BaTiO3陶瓷临界尺寸的研究[J].人工晶体学报,2013(9):1848-1852,1863. |
| [8] | Li, Hai-Long;Zhang, Ying;Zhou, Jia-Jun;Zhang, Xiao-Wen;Liu, Hong;Fang, Jing-Zhong.Phase structure and electrical properties of xPZN-(1-x)PZT piezoceramics near the tetragonal/rhombohedral phase boundary[J].CERAMICS INTERNATIONAL,20153 Pt.B(3 Pt.B):4822-4828. |
| [9] | 谭莉萍.低压压敏陶瓷晶界、晶粒电阻的估算方法探讨[J].广东教育学院学报,2004(02):62-64. |
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